标准摘要
[中文适用范围]： 以下附加要求适用于具有熔断体的熔断器，该熔断器具有旨在通过装置（例如，更换手柄（见图 103））进行更换的刀片触点，该装置符合图 101 和 102 中规定的尺寸。此类熔断器具有额定电流高达 1 250 A 且额定电压高达 690 V ac 或 440 V dc 除 IEC 60269-1 外，还规定了熔断器的以下特性： 最小额定分断能力； ??时间-电流特性； ??I2t特性； ??标准施工条件； ??功耗和可接受的功耗。 [外文原描述]： Fuses for use by authorized persons are generally designed to be used in installations where the fuse-links are accessible to, and may be replaced by, authorized persons only. This standard is divided into fuse systems,(A thru I), each dealing with a specific example of standardized fuses for use by authorized persons.
英文名称Low-voltage fuses - Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Examples of standardized systems of fuses A to I